sort by Rank | Alpha
| Possible Meanings | Rank |
| International Restless Legs Syndrome | **** |
| International Restless Legs Severity | *** |
| idiopathic restless legs syndrome | ** |
| internal rotation lag sign | ** |
| infarct-related electrocardiographic leads | ** |
| Information Resources and Library Science | ** |
| Information Resources and Library Sciences | ** |
| Iterative Reweighted Least Squares | * |
| International Reading Literacy Study | * |
| Interrogation Recording of Location Subsystem | * |